102 BULLETIN 112, UNITED STATES NATIONAL MUSEUM. 



BUCCINUM CHISHIMANUM Pilsbry, 1904. 



Nautilus, vol 18, p. 87 ; Proc. Acad. Nat. Sci. Phila., 1905, pi. 3, fig. 20. 

 Bering Island, Bering Sea. Also Japan. 



Genus VOLUTHARPA Fischer, 1856. 



VOLUTHARPA PERKYI Jay, 1855. 



Rep. Japan Exp., p. 295, pi. 5, figs. 13 to 15. 



St. Paul Island, Bering Sea (Palmer). Also Japan. 



VOLUTHARPA AMPULLACEA Middendorff, 1848. 

 Sibirische Reise, p. 237, pi. 17, figs. 1-3. 

 Bering Strait to Fuca Strait. 



Family COLUBRARIIDAE. 



Genus COLUBRARIA Schumacher, 1817. 



t OH' BR ARIA, species (fragment). 



Off La Jolla, San Diego County, California, in 199 fathoms. 

 Genus ENGINA Gray, 1839. 



ENGINA CARBONARIA Reeve, 1846. 



Conch. Iconica, Ricinula, fig. 22. 



San Pedro, California, to Panama and the Galapagos Islands. 



Family ALECTRIONIDAE. 

 Genus ALECTRION Montfort, 1810. 



Subgenus Schizopyga Conrad, 1850. 



SCHIZOPYGA FOSSATA Gould, 1849. 



Proc. Boston Soc. Nat. Hist., vol. 3, p. 152. — Tryon, Man., vol. 4, pi. 17, 



fig. 316. 

 Vancouver Island, south to Cerros Island, Lower California. 



SCHIZOPYGA CALIFORNIANA Conrad, 1856. (Plate 11, fig. 4.) 



Proc. Acad. Nat. Sci. Phila., p. 315 ; Pacific R. R. Reps., vol. 6, pi. 2, fig. 1. 

 Coast of Oregon south to San Ignacio Lagoon, Lower California. Also 

 Pleistocene. 



SCHIZOPYGA MENDICA Gould, 1849. 



Proc. Boston Soc. Nat. Hist., vol. 3, p. 155 ; Rep. U. S. Expl. Exp. Moll., pi. 



19, fig. 331. 

 Kodiak Island, Alaska, south to Magdalena Bay, Lower California. 



SCHIZOPYGA COOPERI Forbes, 1850. 



Proc. Zool. Soc, p. 273, pi. 11, fig. 4. 



Puget Sound to San Diego, California. Also Miocene. 



SCHIZOPYGA CERRITENSIS Arnold, 1903. 



Pal. San Pedro, p. 231, pi. 4, fig. 1. 



Long Beach, California, to the Gulf of California. Also Pliocene. 



